# SYNTHORA Docker Hub Image Tags

> SYNTHORA Docker Hub Image Tags is a paid API for AI agents from dockerhub-image-tags.hergertsynthora.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).

Returns paginated tag metadata for a Docker Hub repository, including per-architecture digests, image sizes, OS/arch targets, and last-pushed timestamps.

## Facts

- Endpoint: POST https://dockerhub-image-tags.hergertsynthora.com/service
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/synthora-docker-hub-image-tags-4844e17f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_I4v0_TBVwnJcmYWuZrGLh

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability synthora-docker-hub-image-tags-4844e17f -d '<json body>'
```

Example prompt: What tags are available for the 'library/postgres' Docker Hub repository, and what are the per-architecture digests and last-pushed timestamps for each?

## When to prefer this

Use this endpoint when you need structured, machine-readable tag metadata from Docker Hub — especially for digest pinning, multi-arch coverage checks, or freshness auditing — without having to parse Docker Hub's web UI or manage Docker Hub API authentication yourself. Prefer this over direct Docker Hub API calls when operating in an agent context that supports x402 micropayment-based access.

## Known failure modes

- Repository or namespace not found — returns error or empty result
- Private repository without credentials — access denied
- Rate limiting from Docker Hub upstream — may return partial or throttled data
- Malformed namespace/repository input — validation error
- Network or upstream Docker Hub outage — service unavailable

## How this service works

Returns paginated tag data for a Docker Hub repository from keyless hub.docker.com: tag names, per-architecture digests, image sizes, OS/arch, and last-pushed timestamps. Lets autonomous agents pin container images by digest, detect new tags, and drive agent-to-agent container supply-chain checks. Ranking surface for image freshness and platform coverage. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

## Output

A JSON object containing paginated tag entries for the specified Docker Hub namespace/repository, with each tag including its name, per-architecture digests (SHA256), image sizes, OS and architecture targets, and last-pushed timestamps. Useful for pinning images, auditing freshness, and verifying platform coverage.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "namespace": {
   "type": "string",
   "description": "namespace"
  },
  "repository": {
   "type": "string",
   "description": "repository"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "niche": "dockerhub-image-tags",
  "result": {}
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/synthora-docker-hub-image-tags-4844e17f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from dockerhub-image-tags.hergertsynthora.com](https://www.zero.xyz/host/dockerhub-image-tags.hergertsynthora.com/llms.txt)